CN217816124U - Environment-friendly grease lubrication cylinder - Google Patents
Environment-friendly grease lubrication cylinder Download PDFInfo
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- CN217816124U CN217816124U CN202221492395.8U CN202221492395U CN217816124U CN 217816124 U CN217816124 U CN 217816124U CN 202221492395 U CN202221492395 U CN 202221492395U CN 217816124 U CN217816124 U CN 217816124U
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- piston rod
- oil filling
- end cover
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Abstract
The utility model relates to an environment-friendly drier oil lubrication cylinder belongs to pneumatic equipment technical field. The technical scheme is as follows: the front end cover (2) is provided with a front end cover oil filling hole (15) and a three-way air inlet (3), an outlet of a grease cup (16) is connected to the front end cover oil filling hole (15) in a threaded mode, a piston oil filling hole (20) is formed in the radial direction of a piston (6), a piston oil groove (23) communicated with the piston oil filling hole (20) is formed in the outer circumference of the piston (6), a transition oil guide hole (24) communicated with the piston oil filling hole (20) is formed in the radial direction of a piston rod (1), and a piston rod oil filling hole (19) communicated with the transition oil guide hole (24) is formed in the axial direction of the piston rod (1). The beneficial effects of the utility model are that: the dry oil lubrication mode of the cylinder is realized, the service life of the cylinder is greatly prolonged, the consumption of oil products is reduced, and the environmental quality is improved.
Description
Technical Field
The utility model relates to an environment-friendly drier oil lubrication cylinder belongs to pneumatic equipment technical field.
Background
The cylinder is mechanical equipment transmission equipment very commonly used, by the wide application to among the mechanical design, the lubrication of traditional cylinder, mostly through pneumatic trigeminy piece thin oil lubrication mode, this kind of lubrication form effect is general, and the oil utilization ratio is very low, is generally less than 1%, and the fuel feeding volume is also difficult to control, and the oil mass is little, and lubrication effect is poor, and when the oil mass is big, refuels the cycle too short, and what more important is that the environmental protection is the big problem, and the pollution of exhaust air to air environment is very serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an environment-friendly drier lubrication cylinder has realized the drier lubrication form of cylinder, has prolonged the life of cylinder by a wide margin, has reduced the consumption of oil, has improved environmental quality, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
an environment-friendly dry oil lubrication cylinder comprises a piston rod, a front end cover, a piston, a rear end cover, a cylinder barrel, a dry oil cup and a connecting air pipe, wherein a piston rod sealing piece is arranged between the front end cover and the piston rod, a front end cover oil filling hole and a three-way air inlet are formed in the front end cover, an outlet of the dry oil cup is connected to the front end cover oil filling hole in a threaded manner, and two ends of the connecting air pipe are respectively connected with the three-way air inlet and the dry oil cup; a piston sealing element is arranged between the piston and the cylinder barrel, a piston oil filling hole is radially arranged on the piston, a piston oil groove communicated with the piston oil filling hole is arranged on the outer circumference of the piston, a transition oil guide hole communicated with the piston oil filling hole is radially arranged on the piston rod, a piston rod oil filling hole communicated with the transition oil guide hole is axially arranged on the piston rod, a piston rod oil filling nozzle is arranged on the piston rod oil filling hole, and an oil filling plug and a rear air inlet are arranged on the rear end cover.
The piston rod sealing elements between the front end cover and the piston rod are two, and the oil filling hole of the front end cover is positioned between the two piston rod sealing elements.
The piston oil filling hole in the radial direction of the piston is positioned between the two piston sealing pieces.
And the outlet of the grease cup is provided with a one-way valve.
And a piston rod oil filling nozzle on the piston rod oil filling hole corresponds to an oil filling plug on the rear end cover.
And a positioning bead is arranged between the piston rod and the piston.
The utility model has the advantages that: the dry oil lubrication mode of the cylinder is realized, the service life of the cylinder is greatly prolonged, the consumption of oil products is reduced, and the environmental quality is improved.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the grease lubrication of the present invention;
in the figure: the oil-gas mixing type piston comprises a piston rod 1, a front end cover 2, a three-way air port 3, a sealing ring 4, a piston sealing piece 5, a piston 6, a piston guide bush 7, a rear air port 8, a rear end cover 9, an oil filling plug, a buffer sleeve 10, dry oil 11, a cylinder 12, a guide bush 13, a piston rod sealing piece 14, a front end cover oil filling hole 15, a dry oil cup 16, a connecting air pipe 17, a check valve 18, a piston rod oil filling hole 19, a piston oil filling hole 20, a rear end cover oil filling plug 21, a piston rod oil filling nozzle 22, a piston oil groove 23, a transition oil guiding hole 24, a positioning bead 25, a front end cover dry oil groove 26 and a sealing ring 27.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1-2, an environment-friendly dry oil lubrication cylinder comprises a piston rod 1, a front end cover 2, a piston 6, a rear end cover 9, a cylinder barrel 12, a dry oil cup 16 and a connecting air pipe 17, wherein a piston rod sealing piece 14 is arranged between the front end cover 2 and the piston rod 1, a front end cover oil filling hole 15 and a three-way air inlet 3 are arranged on the front end cover 2, an outlet of the dry oil cup 16 is connected to the front end cover oil filling hole 15 in a threaded manner, and two ends of the connecting air pipe 17 are respectively connected with the three-way air inlet 3 and the dry oil cup 16; a piston sealing piece 5 is arranged between a piston 6 and a cylinder barrel 12, a piston oil filling hole 20 is radially arranged on the piston 6, a piston oil groove 23 communicated with the piston oil filling hole 20 is arranged on the outer circumference of the piston 6, a transition oil guide hole 24 communicated with the piston oil filling hole 20 is radially arranged on the piston rod 1, a piston rod oil filling hole 19 communicated with the transition oil guide hole 24 is axially arranged on the piston rod 1, a piston rod oil filling nozzle 22 is arranged on the piston rod oil filling hole 19, and an oil filling screw plug 21 and a rear air inlet 8 are arranged on a rear end cover 9.
In this embodiment, the two ends of the communicating air pipe 17 are respectively connected with the grease cup 16 and the three-way air inlet 3, the one-way valve 18 is arranged at the outlet of the grease cup and is connected with the front end cover oil filling hole 15 through threads, and the two ends of the communicating air pipe and the three-way air inlet form a piston rod sealing and lubricating assembly together with the front end cover dry oil groove 26.
Piston seal 5 and piston rod seal 14 are two pieces, and piston oil groove 23 and front end cover dry oil groove 26 are arranged in the middle. A positioning bead 25 is arranged between the piston rod and the piston.
The piston rod oil filling hole 19 is arranged at the tail part of the piston rod 1, the piston oil filling hole 20 is arranged in the radial direction of the piston 6, the piston oil groove 23 is arranged on the outer circumference of the piston 6, the center of the rear end cover is provided with an oil filling pipe plug 21, and the piston rod oil filling nozzle 22 is installed on the piston rod oil filling hole 19 in a threaded mode.
The assembly process of the cylinder is as follows:
the piston 6 and the piston rod 1 are assembled completely → the cylinder 12 is assembled integrally → the piston rod oil filling hole 19, the transition oil guide hole 24, the piston oil filling hole 20 and the piston oil groove 23 are filled with the dry oil 11 by a dry oil gun or a dry oil pump through the piston rod oil filling nozzle 22, the pressure reaches 1Mpa, the standard → the front and the rear end covers and the oil filling screw plug 21 are installed, and the dry oil cup 16 → the dry oil 11 and the connecting air pipe 17 are installed in the first process.
The working principle is as follows:
when the rodless cavity of the cylinder is inflated, the gas pressure acts on the piston of the cylinder, and simultaneously acts on the oil filling nozzle of the piston rod, and dry oil is contacted with the inner wall of the cylinder barrel of the cylinder under the action of the pressure to form an oil film; when the rod cavity of the cylinder is inflated, the gas pressure acts on the piston, and simultaneously, the gas pressure acts on the dry oil in the dry oil cup through the connecting gas pipe, the dry oil is in close contact with the piston rod under the action of the pressure to form a lubricating oil film, the piston seal 5 and the piston rod seal 14 are respectively two, and the piston oil groove 23 and the front end cover dry oil groove 26 are provided with two seals in the middle, so that the dry oil loss is very low.
Claims (6)
1. The utility model provides an environment-friendly drier oil lubrication cylinder which characterized in that: the oil cylinder comprises a piston rod (1), a front end cover (2), a piston (6), a rear end cover (9), a cylinder barrel (12), a grease cup (16) and a connecting air pipe (17), wherein a piston rod sealing piece (14) is arranged between the front end cover (2) and the piston rod (1), a front end cover oil filling hole (15) and a three-way air inlet (3) are formed in the front end cover (2), an outlet of the grease cup (16) is connected to the front end cover oil filling hole (15) in a threaded manner, and two ends of the connecting air pipe (17) are respectively connected with the three-way air inlet (3) and the grease cup (16); a piston sealing piece (5) is arranged between a piston (6) and a cylinder barrel (12), a piston oil filling hole (20) is radially arranged on the piston (6), a piston oil groove (23) communicated with the piston oil filling hole (20) is formed in the outer circumference of the piston (6), a transition oil guide hole (24) communicated with the piston oil filling hole (20) is radially arranged on the piston rod (1), a piston rod oil filling hole (19) communicated with the transition oil guide hole (24) is axially arranged on the piston rod (1), a piston rod oil filling nozzle (22) is arranged on the piston rod oil filling hole (19), and an oil filling plug (21) and a rear air inlet (8) are arranged on a rear end cover (9).
2. The environment-friendly dry oil lubrication cylinder as claimed in claim 1, wherein: the piston rod sealing elements (14) between the front end cover (2) and the piston rod (1) are two, and the oil filling hole (15) of the front end cover is positioned between the two piston rod sealing elements (14).
3. The environmentally friendly dry oil lubricated cylinder according to claim 1, wherein: the piston sealing pieces (5) arranged between the piston (6) and the cylinder barrel (12) are two, and the radial piston oil filling hole (20) of the piston (6) is positioned between the two piston sealing pieces (5).
4. The environment-friendly dry oil lubrication cylinder as claimed in claim 1, wherein: the outlet of the grease cup (16) is provided with a one-way valve (18).
5. The environment-friendly dry oil lubrication cylinder as claimed in claim 1, wherein: and a piston rod oil filling nozzle (22) on the piston rod oil filling hole (19) corresponds to an oil filling pipe plug (21) on the rear end cover (9).
6. The environment-friendly dry oil lubrication cylinder as claimed in claim 1, wherein: and a positioning bead (25) is arranged between the piston rod (1) and the piston (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221492395.8U CN217816124U (en) | 2022-06-15 | 2022-06-15 | Environment-friendly grease lubrication cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221492395.8U CN217816124U (en) | 2022-06-15 | 2022-06-15 | Environment-friendly grease lubrication cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217816124U true CN217816124U (en) | 2022-11-15 |
Family
ID=83992439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221492395.8U Active CN217816124U (en) | 2022-06-15 | 2022-06-15 | Environment-friendly grease lubrication cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217816124U (en) |
-
2022
- 2022-06-15 CN CN202221492395.8U patent/CN217816124U/en active Active
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